Events relating to athens
Tacitus begins his career with two specialized but influential works of history, one on Britain and the other on Germany
The first accounts of Scotland, written by the Romans, name the Caledonii as the most important tribe of the region
Suetonius, librarian to Trajan and personal secretary to Hadrian, is well placed to research his racy Lives of the Caesars
Hadrian, visiting Jerusalem, decides to rebuild it as a Roman city - an act which provokes the final Jewish uprising
Simon Bar-Cochba drives the Romans out of Jerusalem and holds it for three years, until a large Roman army recovers the city
The Sant'Angelo bridge in Rome, still standing today, is built for the emperor Hadrian by means of a coffer dam
After the Roman recovery of Jerusalem from Simon Bar-Cochba, all Jews are expelled from the city
The Romans annexe Doura-Europus, giving it its most prosperious period as a frontier town between the Roman and Persian empires
The Han emperor in China has the six main Confucian classics engraved in stone, so that scholars may take rubbings - a first step towards printing
On the order of Marcus Aurelius, Christians in Lyons are tortured to death - an instance of persecution unusual at this time
The potato is cultivated in the Peruvian Andes
A house in Doura-Europus is adapted for Christian worship - the earliest surviving example of its kind
Origen, living in Caesarea, compiles the Hexapla, displaying versions of the Old Testament in six columns for comparative study
The Christians of Rome use the catacombs as tomb chambers, and decorate the walls with murals on New Testament themes
Cyprian, bishop of Carthage, is one of many Christians martyred for refusing to sacrifice to the Roman gods
Horses strong enough to carry men wearing armour are put to good use by northern barbarians, and by Romans in border regions such as Dacia
The Chinese transform the toe loop of nomadic horsemen into the metal stirrup
St Anthony, one of the early Christian hermits in the Egyptian desert, is tempted by terrifying hallucinations
The emperor Diocletian initiates a sustained persecution of Christians in the Roman empire

Constantine, preparing for battle against a rival at the Milvian Bridge, orders his men to wear a Christian symbol, the Chi-Rho, on their shields
After winning the battle at Milvian Bridge, Constantine marches into Rome and is formally acknowledged by the Senate as Augustus of the west

Constantine meets his co-emperor Licinius in Milan, and persuades him to follow a policy of encouraging the Christians
Warming to his new Christian role, Constantine summons more than 300 bishops to Arles to discuss the controversial issue of Donatus
Constantine founds several churches in Rome, among them the first St Peter's
Pachomius organizes in Egypt the first community of Christian monks, at Dandara on the Nile